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Accelerometry measured activity (moderate-to-vigorous PA [MVPA] and time spent sedentary) and parent daily report of screentime were measured using a 14-day in April\/May (school) and July (summer). Intent-to-treat analysis examined changes in behaviors between school and summer. Exposure models examined differences in behaviors during summer on days when children attended vs. did not attend a SDC in both intervention and control children.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Intent-to-treat models indicated in the summer children in the intervention group accumulated\u2009+\u200915.0\u00a0min\/day (95CI 12.0 to 18.0) more MVPA and spent \u2212\u200929.7\u00a0min\/day (-37.7 to -21.8) less time sedentary and \u2212\u200914.1\u00a0min\/day (-23.9 to -4.3) on screens, compared to children in the control group. Exposure models indicated, on days children attended SDCs, they accumulated more MVPA (+\u200926.1\u00a0min\/day, 22.5 to 29.7), and spent less time sedentary (-63.5\u00a0min\/day, -72.9 to -54.1) and on screens (-9.5\u00a0min\/day, -20.1 to 1.2), compared to days when children did not attend SDC.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Policies targeting upstream structural factors, such as universal access to existing community SDCs during summer, could lead to improvements in health behaviors among children from low-income households.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Clinical trials.Gov<\/jats:title>\n                    <jats:p>NCT04072549<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1186\/s12966-025-01852-2","type":"journal-article","created":{"date-parts":[[2025,12,29]],"date-time":"2025-12-29T14:57:10Z","timestamp":1767020230000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Impact of free summer day camp on physical activity behaviors and screentime of elementary-age children from low-income households: a randomized clinical trial"],"prefix":"10.1186","volume":"22","author":[{"given":"Michael W.","family":"Beets","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sarah","family":"Burkart","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christopher D.","family":"Pfledderer","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Elizabeth","family":"Adams","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"R. 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